Mazda CX-5 Service & Repair Manual: Exhaust & Emissions

Valve, Valve Spring, Valve Seal, Valve Guide

Purpose, Function Valve The intake valve is pressed down by the cam, the intake air passage is opened, and air is introduced into the cylinder. The exhaust valve is pressed down by ...

Exhaust Manifold

Purpose, Function By lengthening the exhaust passage, the transmission of exhaust pressure waves to other cylinders can be delayed, and the amount of gas exhausted from a cylinder and for ...

Other materials:

Pressure Sensor Removal/Installation [Two Step Deployment Control System]
WARNING: Handling the pressure sensor improperly can accidentally operate (deploy) the air bag module, which may seriously injure you. Read the air bag system service warnings and cautions before handling the pressure sensor.. 1. Switch the ignition to off. 2. Disconnect the ne ...

Positive Crankcase Ventilation (PCV) Valve
Purpose, Function Prevents release of blow-by gas (unburnt gas) into the atmosphere. The PCV valve is open/closed by the intake manifold vacuum. Construction The PCV valve is installed to the oil separator. The PCV valve consists of a spring and valve. ...

Fuel Pressure Sensor Inspection
Voltage Inspection NOTE: The fuel pressure sensor cannot be removed as a single unit. When replacing the fuel pressure sensor, replace it together with the fuel distributor as a single unit. 1. Connect the M-MDS to the DLC?2. 2. Switch the ignition ON (engine off or on). 3. ...